Samsung Fridge Error Code 5E — What It Means

What it means

Samsung Error Code 5E (also shown as 5C on some models) means the defrost sensor in the freezer compartment has detected a fault or failed.
This prevents the defrost cycle from running correctly, causing ice to build up and eventually stopping cooling.

Affected Models

Samsung French Door Refrigerator
Samsung Side-by-Side Refrigerator
Samsung Bottom Mount Refrigerator

Common Causes

Defrost sensor (thermistor) failed — resistance out of range
Wiring harness to the defrost sensor disconnected or corroded
Control board fault misreading the sensor value

How to Fix It

Perform a soft reset.

Unplug the refrigerator from the wall for 5 minutes, then plug back in.
Some transient error codes clear after a power cycle.
If Error 5E returns within a few hours, the sensor has genuinely failed.
Run a forced defrost cycle.

Hold the Energy Saver and Fridge buttons for 8 seconds to enter Diagnostic mode.
Press Fridge once more to select the forced defrost option (displayed as 'Fd').
Allow the cycle to run for 30 minutes — if the error clears, ice build-up was blocking the sensor.
Locate the defrost sensor.

The defrost sensor is a small thermistor clipped to the evaporator coils behind the rear panel inside the freezer.
Removing the panel requires emptying the freezer and unscrewing the panel — refer to your model's service manual for the exact location.
Test the sensor resistance.

Disconnect the sensor connector and test resistance with a multimeter.
At room temperature (~20°C), a healthy Samsung defrost thermistor reads approximately 5,000–6,000 ohms.
A reading of zero or infinity indicates a failed sensor.
Replace the defrost sensor.

Order a replacement defrost sensor compatible with your exact Samsung model number.
Clip the new sensor to the evaporator coils in the same position as the original.
Reassemble the panel and restore power — the error should clear.

When to Call a Professional

Samsung Error 5E requires replacing the defrost sensor (thermistor) in the freezer.
This involves removing the rear panel inside the freezer.
If you are not comfortable with appliance repair, book a Samsung-certified technician.

Frequently Asked Questions

Is Samsung Error Code 5E the same as Error 5C?

Yes. On older Samsung models the display shows 5E; on newer models the same fault is displayed as 5C. Both indicate a defrost sensor error.

How urgent is Samsung Error 5E — will food spoil?

Error 5E is serious. Without a working defrost sensor, the defrost cycle cannot run correctly. Ice builds up on the evaporator coils over days, eventually blocking airflow and causing the fridge to stop cooling. Address it promptly.